Home / 115,604.40-173,406.60-108,001.20

Finding the Fourth Proportional to 115,604.40, 173,406.60 and 108,001.20

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Solution

The fourth proportional to 115,604.40, 173,406.60 and 108,001.20 is: 162,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,604.40 : 173,406.60 = 108,001.20 : x
  2. Step 2: Convert to fraction form
    115,604.40/173,406.60 = 108,001.20/x
  3. Step 3: Cross multiply
    115,604.40x = 173,406.60 × 108,001.20
  4. Step 4: Simplify right side
    115,604.40x = 18,728,120,887.92
  5. Step 5: Solve for x
    x = 18,728,120,887.92/115,604.40
  6. Step 6: Final answer
    x = 162,001.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.